主动表被动的几种情况.pptx

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1、1Grammar 一一 动词不定式动词不定式 动词不定式由动词不定式由“to+动词原形动词原形”构构成，可以在句中作主语、宾语、表语、成，可以在句中作主语、宾语、表语、定语、状语、补足语等定语、状语、补足语等,但但不能作谓不能作谓语语。第1页/共25页2动动词词不不定定式式To do that sort of thing is foolish。I want to see you this evening.All you have to do is to finish it quickly.We found a house to live in.She came here to study En

2、glish.I warned the patient not to eat cold water after the operation.主语主语 宾语宾语表语表语 定语定语 状语状语 宾补宾补第2页/共25页3一般式：一般式：to be done,完成式：完成式：to have been done。只有及物动词和相当于及物动词的短语才有不定只有及物动词和相当于及物动词的短语才有不定式的被动式。式的被动式。e.g.He asked to be sent to work in that factory.They had been warned many times before they car

3、ried out the plan.动词不定式动词不定式被动式(发生在谓语动词之后或同时发生)(发生在谓语动词之前)第3页/共25页第4页/共25页5 谓语动词谓语动词主动表被动主动表被动 主动表被动主动表被动 非谓语动词非谓语动词主动表被动主动表被动 第5页/共25页61.有些不及物动词或短语有些不及物动词或短语,如如 exist,appear,happen,occur,come true,take place,break out,run out,等常以主动形等常以主动形式表被动意义。式表被动意义。我的钱用完了。我的钱用完了。(run out)我实现了梦想。（我实现了梦想。（come tru

4、e）My money has run out.My dream has come true.一、谓语动词主动表被动的四种情形一、谓语动词主动表被动的四种情形第6页/共25页72.感官动词感官动词(feel,look,seem,taste,sound),和一些连系动词和一些连系动词(如如 remain,keep,stay,prove等）等）常以主动形式表示被动意义。常以主动形式表示被动意义。The water _(feel)cool when I jumped into the pool.The ice-cream _(taste)delicious.felttastes第7页/共25页83.当

5、当read,write,draw,wash,clean,burn,cook,cut,wear,sell等词与等词与well,easily,quickly well,easily,quickly 等副等副词连用时词连用时,常用主动表被动。常用主动表被动。第8页/共25页9The cloth washes well.The poem reads smoothly.The book sells well.This cheese doesnt cut easily.Its too soft.This shirt will wear very long.The floor doesnt clean ea

6、sily.This kind of rice cooks more quickly than that kind.第9页/共25页10Questions:1.When did the accident _?交通事故是什么时候发生的？2.When did the war_?战争是何时爆发的？3.Ice-cream always _ well in summer.冰淇淋在夏天总是很好卖。happenbreak outsells第10页/共25页114.The music _ beautiful.音乐优美动听。5.As time went on,Einsteins theory _ to be co

7、rrect.随着时间的推移，爱因斯坦的理论被证明是正确的。随着时间的推移，爱因斯坦的理论被证明是正确的。6.Good medicine _bitter!soundsprovedtastes第11页/共25页12二二、非谓语动词主动表被动的情况：、非谓语动词主动表被动的情况：1.不定式to blame,to let/rent,to hire,to seek用做表语时，通常用主动表被动。Who is to blame?The house is to let.(该怪谁呢？)(此屋出租。)第12页/共25页132.在“主语主语+be+形容词+to do”结构中的不定式通常 The question i

8、s difficult to answer.Do you think the water is safe to drink?His writing is impossible to read.The strawberries are nice to eat.The man is hard to please.The room is expensive to live in.第13页/共25页14有时形容词后跟有名词，在名词后用作定语的不定式用主动形式表示被动意义：Its a difficult book to read.那是一本难读的书。It is a pleasant thing to re

9、member.这是一件值得记住的愉快的事。第14页/共25页153在在there be结构中结构中例如：例如：There is a lot of homework _（do）There is nothing _（worry about）to doto worry about第15页/共25页164.在在“tooto;enough to”结构中主动结构中主动表被动。表被动。tooto也可用被动也可用被动如：如：The problem is too difficult _(work out)The house is big enough _(live in).to work outto live

10、in第16页/共25页175.不定式用于某些动词的（have,have got,get,want,need）宾语后做后置后置定语时，主动表被动主动表被动：e.g.I have some letters to write.I want something to drink.不定式与所修饰的名词为被动的动宾关系，与句子的主语为主动的主谓关系时，不定式用主动表被动。第17页/共25页18但是注意：I have something to type.(我自己打)I have something to be typed.(请别人打)所以：当不定式的逻辑主语和句子的主语一致时就用主动表被动，若不一致，则需用

11、被动表被动。I have a letter to post.(自己寄)I have a letter to be posted.(请别人寄)第18页/共25页196.be worth/need/want/require/deserve/bear +doing,主动表被动主动表被动In all,the book is worth reading.=is worthy to be read.Such a man as Mr Smith is not worth helping.Such a man as Mr Smith is not worthy to be helped第19页/共25页20T

12、he plants need wateringevery day.=need to be watered.The wall wants repairing =to be repaired.He is ill.He deserves sending to hospital.=to be sent to hospital.第20页/共25页217.不定式与疑问词连用不定式与疑问词连用e.g.Which movie to watch has not been decided yet.I dont know what to do next.8.在在“with+宾语宾语+to do”结构中。结构中。例如

13、：例如：With nothing _(do)，he lay in bed With so many exercises _(finish)，I cant go to the cinemato doto finish第21页/共25页221.这些孩子需要细心照料。这些孩子需要细心照料。2.他不知道接下来要怎么表达自己。他不知道接下来要怎么表达自己。3.这个问题很好解决。这个问题很好解决。These children need looking after carefully.He didnt know how to express himself.This problem is very easy

14、 to work out.第22页/共25页234.Im going to Beijing next week.Do you have anything _ to your parents?5.I have a meeting to_ today.（今天我有一个会议要参加。）（今天我有一个会议要参加。）6.Ill go to the post office.Do you have a letter _?7.There is nothing _（worry about）.8.The pen _(write)smoothly.9.He asked _(send)to the place where he was most needed.to be takento be postedattendto worry aboutwritesto be sent第23页/共25页第24页/共25页25谢谢您的观看！第25页/共25页